FIRST DOWN. All progress in a football game is measured in yards. The offensive team tries to get as much yardage as it can to try and move closer to the opponent's end zone. Each time the offense gets the ball, it has four downs, or chances, in which to gain 10 yards.
The largest eagle species in the world is the Pithecophaga jefferyi or Philippine eagle. This species of eagle is on the critically endangered list due to the rapid decline in habitat, which is the tropical rainforest. Keep Learning.
Area(s) Where Listed As Endangered: Mexico south to Argentina. Harpy eagles are said to be the largest and most powerful of the eagles. They are found in lowland tropical rainforests from southern Mexico to northern Argentina.Adults can reach up to 3.5 feet long and can weigh up to 20 lb. Their wingspans can reach as high as 6.5 feet. Females are larger and heavier than males.arpy eagles are said to be the largest and most powerful of the eagles. They are found in lowland tropical rainforests from southern Mexico to northern Argentina. Adults can reach up to 3.5 feet long and can weigh up to 20 lb. Their wingspans can reach as high as 6.5 feet.